Well im going to switch oils and iv seen alot of threads about this stuff so i want to try it out. now my question is i have always used the lucas oil stabilazer should i or even need to use it w/ the royal purple??? thanks in advance guys!!

 

get the xpr21? no you should not need the stabilizer.

 

Lucas stabilizer = crap.

http://bobistheoilguy.com/images/lucas/lucas.htm

 

dont go more than 4,000 miles on RP, it breaks down and its like water

 

Your best bet is to use Amsoil. Synthetic oils don't need stabilizers. Lucas oil = crap (for sure!). Synthetic oils don't break down like dino oils, and only need to be changed for the dirt build up (suspended). need more info ... see "bill the oil guy" web site for a scientific analysis ...

 

You should never use a oil stabilizers.

Optimus1 it's Bob the oil guy not Bill BTW the site is an Amsoil sponsored site.

No Rice I have hunderds of UOA that show RP does thin out. My personal truck gets an oil change every 10,000 miles with a filter change every 5,000 and my UOA's look great even on the bottle.

NegraRCSB2X4auto That is XPR 5w30 or the old Racing21

I have been using RP for over 14 years and I have been working for them for 10 years.

 

xpr 5w30 and racing 21 are the same thing are they not that was my understanding I used 21 then i believe it switch to xpr?

 

I change oil a filter every 3 but I have a reusable (trufilter oil systems)

 

That is correct.

Racing 21 is the same product as XPR 5w30

You might find some old stock of racing oils but we do not produce the Racing oil lables anymore.

I only corrected you because you listed what you use as XPR 21 and if someone were to go into a store and ask for that product they would not be able to find it.

 

yeah I wasn't sure what it was call I just remember the xpr part.